100310120121 has 16 divisors (see below), whose sum is σ = 134750281536. Its totient is φ = 66373522176.

The previous prime is 100310120101. The next prime is 100310120129. The reversal of 100310120121 is 121021013001.

It is not a de Polignac number, because 100310120121 - 2⁷ = 100310119993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100310120097 and 100310120106.

It is not an unprimeable number, because it can be changed into a prime (100310120129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10455 + ... + 448028.

It is an arithmetic number, because the mean of its divisors is an integer number (8421892596).

Almost surely, 2^100310120121 is an apocalyptic number.

It is an amenable number.

100310120121 is a deficient number, since it is larger than the sum of its proper divisors (34440161415).

100310120121 is a wasteful number, since it uses less digits than its factorization.

100310120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459032.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100310120121 its reverse (121021013001), we get a palindrome (221331133122).

The spelling of 100310120121 in words is "one hundred billion, three hundred ten million, one hundred twenty thousand, one hundred twenty-one".